Forecast using trend line-mad and mse

Assignment Help Basic Statistics
Reference no: EM1319993

Use the sales data given below determine:

a) The least square trend line.

b) The predicted value for 2002 sales.

c) The MAD.

d) The unadjusted forecasting MSE.

Year

Sales(Units)

Year

Sales(Units)

1995

130

1999

169

1996

140

2000

182

1997

152

2001

194

1998

160

2002

?

Reference no: EM1319993

Questions Cloud

What is the largest displacement : A shopper pushes a cart 39 m south down one aisle and then turns 90.0° west and moves 27 m. He then makes another 90.0° turn and moves 14 m.
Mad-mse and mape for forecasting : Calculate (a) MAD, (b) MSE, and (c) MAPE for the following forecast versus actual sales figures.
Efficiency of target supply chain : Include an assessment of the efficiency of Target's supply chain and whether the Supply Chain supports its Demand Chain.
Find out the average net force exerted on the performer : A chair of weight 130 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 45.0 fixed at an angle of 39.0below the horizontal and the chair slides along the floor.
Forecast using trend line-mad and mse : Use the sales data given below determine: a) The least square trend line.
What is the x component of resultant force : The truck slows down uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making skid marks 62.40 m long that end at the tree. With what speed does truck then strike the tree.
What is the rock''s velocity as it hits the bottom of hole : A 1560kg car is travelling with a speed of 14.20 m/s. What is the magnitude of the horizontal net force that is required to bring car to a halt in a distance of 52.10 m.
Determine the minimin and minimax regret : Determine the Minimin and Minimax regret
Disadvantages of investing in stock market long term : It is commonly assumed that the stock market yields a 10% rate or return (on average) on investments made in the market long term. Write an essay looking at the advantages and disadvantages of investing in the stock market long term.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining suitable graphs and statistical tests

Each party's position must be statistically sound. Include as suitable graphs, computations, and statistical tests.

  Explain what it means when a linear programming (lp) model

Company A is hoping to expand its operations and a small group of investors is visiting next week. You are tasked with the duty of explaining how Company A uses this information from a linear programming model to optimize its shipping.

  Probability-binomial distribution

Find the probability that the number of who consider themselves basketball fans is :

  Drawing the histogram for the given data

Create a histogram over five class intervals.

  Trust company is studying the use of its atm

Finding the value of test statistic utilizing two-tail 't' test also interpret the result. The Commercial Bank as well as Trust Company is studying the use of its automatic teller machines.

  Setting up null hypothesis for associated f test

Set up null hypothesis for associated F test.

  Probability-determining expected value

You play a game with two possible outcomes. Outcome A has probability 0.4 and outcome B has probability 0.6. When B occurs you win $2.00; otherwise, you lose $1.00. What is your expected value for this game?

  Random-effects anova

A random-effects ANOVA refers to the analysis where the levels included in the study represent a random sample of all levels that exist.

  Estimating the mean length of time

A physician wanted to estimate the mean length of time  µ  that a patient had to wait to see him after arriving at the office.

  Validating the assumption of f-test

To avoid the problem of not having access to Tables of  F  distribution with values given for the lower tail, the numerator of the test statistic should be the one with:

  Performing hypothesis testing

Looking at the data, the manufacturer is incorrect in its label claim. Perform hypothesis testing to prove or disprove it. Is the manufacturer correct in its label claim? Explain.

  Finding sample standard deviation

Find out sample standard deviation (s) of scores Gordon Golfer made on his last four rounds (determine to the nearest one tenth, or .1).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd